Home / 3,089,801.60-4,635,139.80-959,663.60

Finding the Fourth Proportional to 3,089,801.60, 4,635,139.80 and 959,663.60

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Solution

The fourth proportional to 3,089,801.60, 4,635,139.80 and 959,663.60 is: 1,439,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,801.60 : 4,635,139.80 = 959,663.60 : x
  2. Step 2: Convert to fraction form
    3,089,801.60/4,635,139.80 = 959,663.60/x
  3. Step 3: Cross multiply
    3,089,801.60x = 4,635,139.80 × 959,663.60
  4. Step 4: Simplify right side
    3,089,801.60x = 4,448,174,946,971.28
  5. Step 5: Solve for x
    x = 4,448,174,946,971.28/3,089,801.60
  6. Step 6: Final answer
    x = 1,439,631.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.